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import re#从零开始匹配result=re.match('abc','abcde')print(result.group())#匹配ipresult=re.match("([0-9]{1,3}\.){3}\d{1,3}",'192.168.2.23')print(result.group())#找到所有的数组 必须要1个以上 所以不能*result=re.findall("[0-9]+","a1212334abdsa1234")print(result)#搜索,全文匹配一个result=re.search("\d+","a12adsfx123asd123")print(result.group())#替换 count=1 只替换第一个result=re.sub("\d+",'*',"a12adsfx123asd123",count=1)print(result)#分割result=re.split("[0-9]+","a12adsfx123asd")print(result)#找到分隔符result=re.findall("[0-9]+","a12adsfx123asd")print(result)

import re#从零开始匹配result=re.match('abc','abcde')print(result.group())#匹配ipresult=re.match("([0-9]{1,3}\.){3}\d{1,3}",'192.168.2.23')print(result.group())#找到所有的数组 必须要1个以上 所以不能*result=re.findall("[0-9]+","a1212334abdsa1234")print(result)#搜索,全文匹配一个result=re.search("\d+","a12adsfx123asd123")print(result.group())#替换 count=1 只替换第一个result=re.sub("\d+",'*',"a12adsfx123asd123",count=1)print(result)#分割result=re.split("[0-9]+","a12adsfx123asd")print(result)#找到分隔符result=re.findall("[0-9]+","a12adsfx123asd")print(result)

abc192.168.2.23['1212334', '1234']12a*adsfx123asd123['a', 'adsfx', 'asd']['12', '123']

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